Cutting board



FIG. 1 is a perspective view of a cutting board showing my new design;

FIG. 2 is a right side view, the left side view being a mirror image thereof;

FIG. 3 is a front view, the rear view being a mirror image thereof; and,

FIG. 4 is a bottom view thereof. 

The ornamental design for a cutting board, as shown and described. 